Hardening thick steel

I

Ian Fifelski

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Oct 4, 2017
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I want to make a simple filing guard out of some 3/8" 1075 I have and I am wondering how I can get the whole thickness hardened. Is the trick to getting the whole thickness hardened in the heating or quench? If its in the heating I would assume a longer soak time?

I will be quenching in water because it is thick enough that i will not have a problem with cracking.. if there is no benefit (or if there's a problem) of quenching in water let me know.

I am planning on the two pieces simply sliding on rods and clamped with c clamps or a vise, mostly for filing guard slots.

Thanks
Ian
 
Sometimes you have to quench from the lower end of the recommended range. This is because this shortens the distance from the quench temperature to the nose of the curve.

A longer soak will make a steel deeper hardening. A faster quench will make it through harden better.

Hoss
 
first of all...select one of the deeper hardening steels between those you can ht in your shop.
Not the best bets with 1075, try 52100, o1 or o2. Those are fairly simple between the deep hardening steels, will give way more abrasion resistance and surely will harden in that thickness
 
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